Introduction of Jin Doctor Lenong 79 Maize Variety
Lenong 79 is a new maize hybrid bred by Dr. Jin Seed Industry Co., Ltd. in Henan Province, with the national examination number Yu 20 19622 1.
Lenong 79 has passed the examination and approval of three major corn producing areas in Northeast China, Northwest China and Huanghuaihai three times. It is a new maize variety with wide adaptability, strong lodging resistance, large panicle, early maturity, fast grain dehydration and suitable for mechanized harvesting.
① the whole growth period
The whole growth period of Lenong 79 in northeast spring sowing 129 days, in northwest spring sowing 13 1 day, which is equivalent to Xianyu 335, and the whole growth period of Huanghuaihai summer sowing10103 days, which is earlier than.
② Plant types
Lenong 79 has compact plant type, average plant height of 275 ~ 295 cm, spike height100 ~13 cm, good stem elasticity, strong toughness and developed root system.
③ ear of fruit
The ear is tubular, the axis of the ear is pink, the grain is yellow, and the ear is deeply dentate. Rows per panicle 16 ~ 18, grains per panicle 480 ~ 520.
The ear length of this corn seed variety is about 22 cm, the longest can reach 27 cm, the ear thickness is 5.2 cm, the weight of 100 seeds is 36.5 g, and the grain bulk density is 735 g/L.
④ Inoculation identification
After inoculation identification and field performance, the variety is resistant to many diseases such as stem rot, gray leaf spot and big and small leaf spot.
Yield Performance of Jin Doctor Lenong 79 Maize
Lenong 79 has strong adaptability and stable and high yield. The average yield per mu 1350.4 kg, and the highest yield per mu 1860 kg. The average yield per mu is1641.8kg, and the highest yield per mu is 2098kg. When planted in northwest China, the average yield per mu is as high as 22 13.2 kg, and the highest yield per mu can reach 2500 kg.
Suitable planting range of Jinboshi Lenong 79 corn
Lenong 79 has a wide range of suitable varieties, which can be planted in the three major corn producing areas of Northeast China, Northwest China and Huanghuaihai.
The best sowing date for spring sowing in northwest and northeast China is from April 20th to May15th. The best sowing date for summer sowing in Huang-Huai-Hai area is June 5 ~ 15.
Protect 4500 ~ 5500 seedlings per mu, pay attention to the prevention and control of cutworms and Spodoptera litura at seedling stage, and ensure that all seedlings are sown at one time.
Spraying chemical herbicides in 3 ~ 5 leaf stage, topdressing urea about 20 kg per mu in big trumpet stage, and paying attention to the prevention and control of corn borer. Pay attention to the prevention and control of head smut, southern rust and aphids, as well as the third generation of corn borer and other diseases and insect pests in the middle and late growth period to ensure high yield.